What is the probability that a single die shows a 1 or a 6 in a single roll? Show your complete solution.

Q: As discussed in the Mythical Man Month, consider the situation shown below where the time to…

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Q: 1. Compute E[X] and Var(X) if X has a density function given by Gxe-x/2 x > 0 (0, otherwise a. f(x)…

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Q: It is claimed that the average age of working students in a certain university is 19 years. A…

A: The provided information is n=48 x¯=21µ=19σ=1.3α=0.05 Here, we use the z test because the sample…

Q: A new sneaker claims that it can make male athletes jump higher. A sample of 47 male athletes were…

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Q: ** * * * 2 图到 3 • • • own above, a classic deck of cards is made up of 52 cards, 26 are black, 26…

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Q: Prove that MSE(@) = v(ô) + [Bias(@)]?

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Q: An amount of $10,000 is to be invested for three years. The yield rate for the first year will be…

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Q: 19. Compute for the Crude Death Rate (based on the picture) A. 39.43 B. 42 C. 29.53 D. 37. 68

A: The formula to find the crude death rate is, CDR=Number of deaths during a yearmid year…

Q: q1 -For borrowers with good credit scores, the mean debt for revolving and installment accounts is…

A: 1) Given that.   X~N( μ , ?^2 )   μ=15015    , ?=3540   Z-score =( x - μ )/?   NOTE:- According to…

Q: A fair coin will be tossed until it lands heads. What is the probability it takes four or more…

A: Introduction: Denote the random variable X as the number of tosses required for the coin to land on…

Q: Suppose that the life distribution of an item has the hazard rate function 1(t) = t³,t > 0. What is…

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Q: Assume that the two samples are independent simple random samples selected from normally distributed…

A: There are two independent samples which are women and men. We have to test whether women and men…

Q: If the readings are 2 3 4 the average deviation is---- O 5.33 O 3.34 2.44 O 0.66

A: We have given that,  The data set of the readings are :- 2, 3, 4  Then,  We will find the average…

Q: 4. The standard deviation of X, denoted SD(X), is given by SD(X) = Var(X). Find SD(aX + b) if X has…

A: Given that  Var(X)=σ2 SD=√Var(X)=σ

Q: Question 3 B0/1 pt If n=360 and p (p-hat) =0.48, find the margin of error at a 95% confidence level…

A: Given data,n=360p=0.48z-vaue at 95% CI is Zc=1.96Margin of error E=?

Q: Suppose that the life expectancy of a certain brand of nondefective light bulbs is normally…

A: Given,mean(μ)=1200standard deviation(σ)=50

Q: QUESTION 1 Z is a random variable subjecting to a standard normal distribution. Find a value of c…

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Q: A building contractor buys 60% of his cement from supplier A and 40% from supplier B. A total of 75%…

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Q: In a particular university, there is a 25% chance that a randomly selected student is either a…

A: For any two events A and B, union of A and B is the occurrence of either A or B or both. In other…

Q: Suppose that the life expectancy of a certain brand of nondefective light pulbs is normally…

A: Given data,Mean μ=1200sd   σ=50If 30,000 bulbs are producedP(1130<X<1260)=?

Q: Z is a random variable subjecting to a standard normal distribution. Find a value of c such that…

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Q: Univerisity state runs two bus lines on campus: yellow and blue. The yellow line serves the east…

A: Given that, The blue buses arrive at the transfer station every 10 minutes. The yellow buses arrive…

Q: least 3 concrete examples. focus

A: The empirical rule refers to the dataset that is normally distributed and the relative frequency…

Q: d) Construct the fault tree with Top event Z using the correct schematics or symbols corresponding…

A: Please note that as per pour guidelines if multiple questions are posted ew can answer the first…

Q: You carry seven keys in your pocket, two of which are for the two locks on your front door. You lose…

A: When we are working on probability, we are talking about uncertainty. When a coin is tossed, we do…

Q: 1. Complete the table Po P- n value a. 100 40/100 8% b. 248 51/248 10% C. 312 100/31 12% 2 d. 486…

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Q: and in correlation form all four variables have variance unity and all pairwise correlation…

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Q: Fisher's Index number is an – ideal index number justify.

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Q: Problem 5. State which of the following sets are finite and which are infinite: (1) A = {x : x e Z…

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Q: Two different simple random samples are drawn from two different populations. The first sample…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Q1/ Suppose a pair of dice is rolled 1- What is the probability that both dice turn up the same ? 2-…

A: We have given two pair of dice rolled.  S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6 S={ (1,1) (1,2) (1,3)…

Q: Treatment| Placebo A study was done using a treatment group and a placebo group. The results are…

A: Thank you for posting the question. Since you have asked multiple question, we will solve the first…

Q: q- A random variable is normally distributed with a mean of μ = 50 and a standard deviation of σ =…

A: Given that.   X~N( μ , ?^2 )   μ=50   , ?=5   Z-score =( x - μ )/?

Q: Find the equation of the regression line for the given data. Then construct a scatter plot of the…

A: We have given that,  X :- 0, 1, 2, 4, 5, 5 Y:- 40, 45, 51, 49, 62, 67 Then,  We will find the…

Q: 4 friends each choose a random number between 1 any of them chose the same number Solution :

A: Given: 4 friends each choose a random number between 1 and 5.

Q: A random sample of 45 salespersons were asked how long, on average, they were able to talk to a…

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Q: A survey indicated that 12% of residents of a country have a great deal of confidence in banks and…

A: Solution-: Given: n=12,p=0.12 We find P(at most 2 residents had a great deal of confidence in banks…

Q: Two fair 6-sided dice are rolled. Let A = the event that the dice add to 8, and let B= the event…

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Q: Formulate the appropriate null and alternative hypotheses in (a) words and (b) symbols in the…

A: Formulation of hypotheses is the fundamental step of hypothesis testing.

Q: • Question 4 If n 400 and p (p-hat) 0.9, construct a 99% confidence interval. Give your answers to…

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Q: A survey indicated that 12% of residents of a country have a great deal of confidence in banks and…

A: Given: p=12%n=12x=2

Q: te, the denominator of the equation should be the death birth rather than number of pregnancies, but…

A: Maternal mortality rate is ratio between total recorded maternal deaths to live births in the same…

Q: Q. 7 How do you construct of cost of living index number.

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Q: We wish to compare average tree counts for 2 groups of 0.1 hectare plots areas that (1) have never…

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Q: The null hypothesis (Ho) in a hypothesis test usually states that: O the probability of error will…

A: We have given the following statement about null hypothesis.

Q: ) Consider a continous Markov- chain a th two states S={0,13. Assume paremeters are Hhe holding time…

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Q: A random sample of 200 adults are classified below according to sex and the level of education…

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Q: A bag of M&M's has 7 red, 5 green, 4 blue, and 3 yellow M&M's. What is the probability of randomly…

A: Given

Q: 7. Find median and mode. Income (above Rs):1000 No. of person: 1500 2000 2500 3000 3500 4000 80 62…

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Q: Events A, B, and C in a sample space have P(A)=0.2, P(B)=0.4, and P(C)=0.1. Find P(A u Bu C) if A…

A: We have given the following Events A B, C in a sample space have .  P(A) = 0.2 P(B) = 0.4 P(C) = 0.1…